Answer:
What?
Step-by-step explanation:
Answer:
A 20 and 45
Step-by-step explanation:
son20 & father45
Answer: 0.9927
Step-by-step explanation:
We assume that the number of earthquakes that occur in Los Angeles follows normal distribution.
As per given , we have

Sample size : n= 35
Let
be the sample mean.
Now ,

Hence, the probability that the mean of the sample is between 34 and 37.5. is 0.9927 .